Marjatta lives in poor conditions in Tampere with her widowed father Arttu who works as a factory worker. Marjatta gets to know engineering student Pauli whose constantly worsening mental health problems and jealousy become a threat to Marjatta and her close circle.

Otto and Kaija have celebrated their surprise wedding, but after a coctail party nothing between them is the same as Otto does not remember what actually happened, and the mess is ready when Otto's American uncle who hates women comes for a visit.